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Finding the Fourth Proportional to 531,471.56, 797,210.22 and 157,497.80

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Solution

The fourth proportional to 531,471.56, 797,210.22 and 157,497.80 is: 236,247.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,471.56 : 797,210.22 = 157,497.80 : x
  2. Step 2: Convert to fraction form
    531,471.56/797,210.22 = 157,497.80/x
  3. Step 3: Cross multiply
    531,471.56x = 797,210.22 × 157,497.80
  4. Step 4: Simplify right side
    531,471.56x = 125,558,855,787.52
  5. Step 5: Solve for x
    x = 125,558,855,787.52/531,471.56
  6. Step 6: Final answer
    x = 236,247.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.